public class Example23 {
    public static void main(String[] args) {
        int[] arr = new int[4];
        arr[0] = 1;
        arr[1] = 2;
        System.out.println("arr[0]="+ arr[0]);
        System.out.println("arr[1]="+ arr[1]);
        System.out.println("arr[2]="+ arr[2]);
        System.out.println("arr[3]="+ arr[3]);
    }
}
